Effect of Processing on Mechanically Alloyed and Spark Plasma Sintered Al-Al₂O₃ Nanocomposites

Figure 2

FE-SEM micrographs of Al-10 vol.% Al₂O₃ composite powder mechanically alloyed for (a) 3 h; (b) 6 h; (c) 20 h; (d) 24 h.

(a)

(b)

(c)

(d)